package day07;

public class PrimeNumber {
    public static void main(String[] args) {
        for (int num = 2;num<=100;num++){
            boolean flag = true;
            for (int i = 2;i<=num/2;i++){
                if (num%i==0){
                    flag = false;
                    break;
                }
            }
            if (flag){
                System.out.println(num+"是素数");
            }
        }









        /*
        for (int num = 2; num <= 100; num++) {
            boolean flag = true;
            for (int i = 2; i <=num / 2; i++) {
                if (num % i == 0) {
                    flag = false;
                    break;
                }
            }


            if (flag) {
                System.out.println(num + "是素数");
            }
        }

         */
    }


}
